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E. M. Hollmann
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Journal Articles

Particle balance of deuterium during deuterium shattered pellet injection shutdown in DIII-D

Open Access
S. W. Tang, E. M. Hollmann, C. Marini, J. A. Boedo, R. Perillo, D. L. Rudakov, D. Shiraki, J. L. Herfindal, A. Lvovskiy, N. Eidietis, H. Q. Wang, C. K. Tsui, J. G. Watkins, A. Yu. Pigarov
Journal: Physics of Plasmas
Phys. Plasmas 32, 032515 (2025)
https://doi.org/10.1063/5.0245141
Published: March 2025
View articletitled, Particle balance of deuterium during deuterium shattered pellet injection shutdown in DIII-D
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Journal Articles

Observation of D2 molecule line emission after massive D2 injection into runaway electron plateaus in DIII-D

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E. M. Hollmann, J. L. Herfindal, A. McLean, A. Yu. Pigarov, D. Shiraki, R. S. Wilcox
Journal: Physics of Plasmas
Phys. Plasmas 30, 103302 (2023)
https://doi.org/10.1063/5.0162644
Published: October 2023
View articletitled, Observation of D2 molecule line emission after massive D2 injection into runaway electron plateaus in DIII-D
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Journal Articles

Diffusion–convection model of runaway electrons due to large magnetohydrodynamic perturbations in post-thermal quench plasmas

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Yueqiang Liu, K. Aleynikova, E. M. Hollmann, C. Paz-Soldan, P. Aleynikov, R. Khayrutdinov, V. Lukash
Journal: Physics of Plasmas
Phys. Plasmas 30, 092506 (2023)
https://doi.org/10.1063/5.0159923
Published: September 2023
View articletitled, Diffusion–convection model of runaway electrons due to large magnetohydrodynamic perturbations in post-thermal quench plasmas
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Journal Articles

The fast camera (Fastcam) imaging diagnostic systems on the DIII-D tokamak

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C. Marini, J. A. Boedo, E. M. Hollmann, L. Chousal, J. Mills, Z. Popović, I. Bykov
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 94, 053509 (2023)
https://doi.org/10.1063/5.0149484
Published: May 2023
View articletitled, The fast camera (Fastcam) imaging diagnostic systems on the DIII-D tokamak
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Journal Articles

Measurement and simulation of small cryogenic neon pellet Ne-I 640 nm photon efficiency during ablation in DIII-D plasma

Free
E. M. Hollmann, N. Naitlho, S. Yuan, R. Samulyak, P. Parks, D. Shiraki, J. Herfindal, C. Marini
Journal: Physics of Plasmas
Phys. Plasmas 29, 092508 (2022)
https://doi.org/10.1063/5.0106724
Published: September 2022
View articletitled, Measurement and simulation of small cryogenic neon pellet Ne-I 640 nm photon efficiency during ablation in DIII-D plasma
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Journal Articles

Dynamic measurement of impurity ion transport in runaway electron plateaus in DIII-D

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E. M. Hollmann, A. Bortolon, F. Effenberg, N. Eidietis, D. Shiraki, I. Bykov, B. E. Chapman, J. Chen, S. Haskey, J. Herfindal, A. Lvovskiy, C. Marini, A. McLean, T. O'Gorman, M. D. Pandya, C. Paz-Soldan, Ž. Popović
Journal: Physics of Plasmas
Phys. Plasmas 29, 022503 (2022)
https://doi.org/10.1063/5.0080385
Published: February 2022
View articletitled, Dynamic measurement of impurity ion transport in runaway electron plateaus in DIII-D
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Journal Articles

Polarized imaging of visible synchrotron emission from runaway electron plateaus in DIII-D

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Ž. Popović, E. M. Hollmann, D. del-Castillo-Negrete, I. Bykov, R. A. Moyer, J. L. Herfindal, D. Shiraki, N. W. Eidietis, C. Paz-Soldan, A. Lvovskiy
Journal: Physics of Plasmas
Phys. Plasmas 28, 082510 (2021)
https://doi.org/10.1063/5.0058927
Published: August 2021
View articletitled, Polarized imaging of visible synchrotron emission from runaway electron plateaus in DIII-D
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Journal Articles

Estimate of pre-thermal quench non-thermal electron density profile during Ar pellet shutdowns of low-density target plasmas in DIII-D

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E. M. Hollmann, M. Austin, I. Bykov, N. W. Eidietis, O. Embreus, J. L. Herfindal, M. Hoppe, A. Lvovskiy, P. B. Parks, C. Paz-Soldan, D. Shiraki, I. Svenningsson
Journal: Physics of Plasmas
Phys. Plasmas 28, 072501 (2021)
https://doi.org/10.1063/5.0050903
Published: July 2021
View articletitled, Estimate of pre-thermal quench non-thermal electron density profile during Ar pellet shutdowns of low-density target plasmas in DIII-D
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Journal Articles

Study of argon expulsion from the post-disruption runaway electron plateau following low-Z massive gas injection in DIII-D

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E. M. Hollmann, I. Bykov, N. W. Eidietis, J. L. Herfindal, A. Lvovskiy, R. A. Moyer, P. B. Parks, C. Paz-Soldan, A. Yu. Pigarov, D. L. Rudakov, D. Shiraki, J. Watkins
Journal: Physics of Plasmas
Phys. Plasmas 27, 042515 (2020)
https://doi.org/10.1063/5.0003299
Published: April 2020
View articletitled, Study of argon expulsion from the post-disruption runaway electron plateau following low-Z massive gas injection in DIII-D
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Journal Articles

Observation of increased nanostructure cone growth on Cr due to grazing-incidence Ta seed atom deposition in a He plasma

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E. M. Hollmann, D. Nishijima, M. I. Patino, C. Chrobak, R. P. Doerner, D. Nagata, M. Tokitani
Journal: Journal of Applied Physics
J. Appl. Phys. 126, 073301 (2019)
https://doi.org/10.1063/1.5110298
Published: August 2019
View articletitled, Observation of increased nanostructure cone growth on Cr due to grazing-incidence Ta seed atom deposition in a He plasma
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Journal Articles

Measurement of toroidal variation in conducted heat loads in locked mode induced disruptions on DIII-D

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E. M. Hollmann, N. Commaux, N. W. Eidietis, C. J. Lasnier, R. A. Moyer, C. Paz-Soldan, D. Shiraki, J. G. Watkins
Journal: Physics of Plasmas
Phys. Plasmas 25, 102502 (2018)
https://doi.org/10.1063/1.5052450
Published: October 2018
View articletitled, Measurement of toroidal variation in conducted heat loads in locked mode induced disruptions on DIII-D
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Journal Articles

Resolving runaway electron distributions in space, time, and energy

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C. Paz-Soldan, C. M. Cooper, P. Aleynikov, N. W. Eidietis, A. Lvovskiy, D. C. Pace, D. P. Brennan, E. M. Hollmann, C. Liu, R. A. Moyer, D. Shiraki
Journal: Physics of Plasmas
Phys. Plasmas 25, 056105 (2018)
https://doi.org/10.1063/1.5024223
Published: March 2018
View articletitled, Resolving runaway electron distributions in space, time, and energy
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Journal Articles

Core tungsten radiation diagnostic calibration by small shell pellet injection in the DIII-D tokamak

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E. M. Hollmann, N. Commaux, D. Shiraki, N. Alexander, I. Bykov, A. L. Moser, D. Thomas, B. S. Victor
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 88, 103501 (2017)
https://doi.org/10.1063/1.5005170
Published: October 2017
View articletitled, Core tungsten radiation diagnostic calibration by small shell pellet injection in the DIII-D tokamak
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Journal Articles

Poloidal radiation asymmetries during disruption mitigation by massive gas injection on the DIII-D tokamak

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N. W. Eidietis, V. A. Izzo, N. Commaux, E. M. Hollmann, D. Shiraki
Journal: Physics of Plasmas
Phys. Plasmas 24, 102504 (2017)
https://doi.org/10.1063/1.5002701
Published: September 2017
View articletitled, Poloidal radiation asymmetries during disruption mitigation by massive gas injection on the DIII-D tokamak
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Journal Articles

Measurement of sputtered beryllium yield and angular distribution during nanostructure growth in a helium plasma

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E. M. Hollmann, D. Alegre, M. J. Baldwin, C. P. Chrobak, R. P. Doerner, M. Miyamoto, D. Nishijima
Journal: Journal of Applied Physics
J. Appl. Phys. 122, 113301 (2017)
https://doi.org/10.1063/1.5002114
Published: September 2017
View articletitled, Measurement of sputtered beryllium yield and angular distribution during nanostructure growth in a helium plasma
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Journal Articles

Study of Z scaling of runaway electron plateau final loss energy deposition into wall of DIII-D

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E. M. Hollmann, N. Commaux, N. W. Eidietis, C. J. Lasnier, D. L. Rudakov, D. Shiraki, C. Cooper, J. R. Martin-Solis, P. B. Parks, C. Paz-Soldan
Journal: Physics of Plasmas
Phys. Plasmas 24, 062505 (2017)
https://doi.org/10.1063/1.4985086
Published: June 2017
View articletitled, Study of Z scaling of runaway electron plateau final loss energy deposition into wall of DIII-D
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Journal Articles

Applying the new gamma ray imager diagnostic to measurements of runaway electron Bremsstrahlung radiation in the DIII-D Tokamak (invited)

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C. M. Cooper, D. C. Pace, C. Paz-Soldan, N. Commaux, N. W. Eidietis, E. M. Hollmann, D. Shiraki
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 11E602 (2016)
https://doi.org/10.1063/1.4961288
Published: August 2016
View articletitled, Applying the new gamma ray imager diagnostic to measurements of runaway electron Bremsstrahlung radiation in the DIII-D Tokamak (invited)
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Journal Articles

Thermal quench mitigation and current quench control by injection of mixed species shattered pellets in DIII-D

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D. Shiraki, N. Commaux, L. R. Baylor, N. W. Eidietis, E. M. Hollmann, C. J. Lasnier, R. A. Moyer
Journal: Physics of Plasmas
Phys. Plasmas 23, 062516 (2016)
https://doi.org/10.1063/1.4954389
Published: June 2016
View articletitled, Thermal quench mitigation and current quench control by injection of mixed species shattered pellets in DIII-D
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Journal Articles

Gamma ray imager on the DIII-D tokamak

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D. C. Pace, C. M. Cooper, D. Taussig, N. W. Eidietis, E. M. Hollmann, V. Riso, M. A. Van Zeeland, M. Watkins
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 043507 (2016)
https://doi.org/10.1063/1.4945566
Published: April 2016
View articletitled, Gamma ray imager on the DIII-D tokamak
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Journal Articles

Mitigation of upward and downward vertical displacement event heat loads with upper or lower massive gas injection in DIII-D

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E. M. Hollmann, N. Commaux, N. W. Eidietis, C. J. Lasnier, R. A. Moyer, P. B. Parks, D. Shiraki
Journal: Physics of Plasmas
Phys. Plasmas 22, 102506 (2015)
https://doi.org/10.1063/1.4932999
Published: October 2015
View articletitled, Mitigation of upward and downward vertical displacement event heat loads with upper or lower massive gas injection in DIII-D
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